Answer:
i)
ii)
ii)
Explanation:
As the initial and final states of the sample are the same, the ΔU of the sample is, for the three cases
since
i)Reversibly so can be calculated by
and because of the first law of thermodynamics
ii)Irreversibly with
we can calculate by the law of ideal gases
then w can be calculated by
and
iii)a free expansion so (there's no work at vaccum) and
Answer:
Compound
Explanation:
The given specie is a compound.
A compound is made up of two or more kinds of atoms/elements joined together in a definite grouping.
- The properties of a compound are distinct and different from those of the individual elements that are combined in its make-up.
- For this given specie, the elements are carbon, hydrogen and oxygen.
- So, this is a compound.
Elements are distinct substances that cannot be split - up into simpler substances. Such substances consist of only one kind of atom
(NH4)2SO3.H2O name is Ammonium Sulfite
Answer:
Metalloids are found along the line between metals and non-metals on a periodic table. They are chemical elements that have properties in between those of metals and non-metals. ... Noble gases are all in group 18 on a periodic table.
Explanation: